1538288104853 has 4 divisors (see below), whose sum is σ = 1538314697388. Its totient is φ = 1538261512320.

The previous prime is 1538288104849. The next prime is 1538288104867. The reversal of 1538288104853 is 3584018828351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 452561616529 + 1085726488324 = 672727^2 + 1041982^2 .

It is a cyclic number.

It is not a de Polignac number, because 1538288104853 - 2² = 1538288104849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538288104883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13209308 + ... + 13325253.

It is an arithmetic number, because the mean of its divisors is an integer number (384578674347).

Almost surely, 2^{1538288104853} is an apocalyptic number.

It is an amenable number.

1538288104853 is a deficient number, since it is larger than the sum of its proper divisors (26592535).

1538288104853 is an equidigital number, since it uses as much as digits as its factorization.

1538288104853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26592534.

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 1538288104853 in words is "one trillion, five hundred thirty-eight billion, two hundred eighty-eight million, one hundred four thousand, eight hundred fifty-three".